[Cronet] Enable Brotli

components/cronet/android/test/javatests/src/org/chromium/net/BrotliTest.java

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.net;
+
+import android.support.test.filters.SmallTest;
+
+import org.chromium.base.test.util.Feature;
+
+/**
+ * Simple test for Brotli support.
+ */
+public class BrotliTest extends CronetTestBase {
+    private CronetTestFramework mTestFramework;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        // Load library first to create MockCertVerifier.
+        System.loadLibrary("cronet_tests");
+        assertTrue(Http2TestServer.startHttp2TestServer(
+                getContext(), QuicTestServer.getServerCert(), QuicTestServer.getServerCertKey()));
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        assertTrue(Http2TestServer.shutdownHttp2TestServer());
+        mTestFramework.mCronetEngine.shutdown();
+        super.tearDown();
+    }
+
+    @SmallTest
+    @Feature({"Cronet"})
+    @OnlyRunNativeCronet
+    public void testBrotliAdvertised() throws Exception {
+        ExperimentalCronetEngine.Builder builder =
+                new ExperimentalCronetEngine.Builder(getContext());
+        builder.enableBrotli(true);
+        CronetTestUtil.setMockCertVerifierForTesting(
+                builder, QuicTestServer.createMockCertVerifier());
+        mTestFramework = startCronetTestFrameworkWithUrlAndCronetEngineBuilder(null, builder);
+        String url = Http2TestServer.getEchoAllHeadersUrl();
+        TestUrlRequestCallback callback = startAndWaitForComplete(url);
+        assertEquals(200, callback.mResponseInfo.getHttpStatusCode());
+        assertTrue(callback.mResponseAsString.contains("accept-encoding: gzip, deflate, br"));
+    }
+
+    @SmallTest
+    @Feature({"Cronet"})
+    @OnlyRunNativeCronet
+    public void testBrotliNotAdvertised() throws Exception {
+        ExperimentalCronetEngine.Builder builder =
+                new ExperimentalCronetEngine.Builder(getContext());
+        CronetTestUtil.setMockCertVerifierForTesting(
+                builder, QuicTestServer.createMockCertVerifier());
+        mTestFramework = startCronetTestFrameworkWithUrlAndCronetEngineBuilder(null, builder);
+        String url = Http2TestServer.getEchoAllHeadersUrl();
+        TestUrlRequestCallback callback = startAndWaitForComplete(url);
+        assertEquals(200, callback.mResponseInfo.getHttpStatusCode());
+        assertFalse(callback.mResponseAsString.contains("br"));
+    }
+
+    @SmallTest
+    @Feature({"Cronet"})
+    @OnlyRunNativeCronet
+    public void testBrotliDecoded() throws Exception {
+        ExperimentalCronetEngine.Builder builder =
+                new ExperimentalCronetEngine.Builder(getContext());
+        builder.enableBrotli(true);
+        CronetTestUtil.setMockCertVerifierForTesting(
+                builder, QuicTestServer.createMockCertVerifier());
+        mTestFramework = startCronetTestFrameworkWithUrlAndCronetEngineBuilder(null, builder);
+        String url = Http2TestServer.getServeSimpleBrotliResponse();
+        TestUrlRequestCallback callback = startAndWaitForComplete(url);
+        assertEquals(200, callback.mResponseInfo.getHttpStatusCode());
+        String expectedResponse = "The quick brown fox jumps over the lazy dog";
+        assertEquals(expectedResponse, callback.mResponseAsString);
+        assertEquals(callback.mResponseInfo.getAllHeaders().get("content-encoding").get(0), "br");
+    }
+
+    private TestUrlRequestCallback startAndWaitForComplete(String url) {
+        TestUrlRequestCallback callback = new TestUrlRequestCallback();
+        UrlRequest.Builder builder = mTestFramework.mCronetEngine.newUrlRequestBuilder(
+                url, callback, callback.getExecutor());
+        builder.build().start();
+        callback.blockForDone();
+        return callback;
+    }
+}